Measurement of all the elastic, piezoelectric, and dielectric properties of PMN-PT single crystals

Sang-Han Lee; Su-Sung Lee; Yongrae R. Roh; Ho-Yong Lee; Jin-Ho Han

doi:10.1117/12.484195

13 August 2003 Measurement of all the elastic, piezoelectric, and dielectric properties of PMN-PT single crystals

Sang-Han Lee, Su-Sung Lee, Yongrae R. Roh, Ho-Yong Lee, Jin-Ho Han

Proceedings Volume 5053, Smart Structures and Materials 2003: Active Materials: Behavior and Mechanics; (2003) https://doi.org/10.1117/12.484195
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

PMN-PT single crystals have rhombohedral 3m symmetry. In this paper, all the elastic, piezoelectric, and dielectric constants of the PMN-PT single crystals wre measured by the resonance method. For the rhombohedral symmetry, a total ot twelve independent material constants were measured such as six elastic compliance constants at constant electric field, two dielectric constants at constant stress, and four piezoelectric constants d. Seven sets of the crystal samples of each different geometry were prepared for the measurement of length-thickness extensional, thickness extensional, radial, length extensional and thickness shear modes of vibration, respectively. In order to check the validity of the measurement method, the same technique was applied to the characterization of common PZT ceramics. Experimental impedance spectrum of the PZT ceramics was compared with numerical impedance spectrum calculated with measured material constants. The good agreement between the two spectra confirmed validity of the characterization method in this paper.

Citation Download Citation

Sang-Han Lee, Su-Sung Lee, Yongrae R. Roh, Ho-Yong Lee, and Jin-Ho Han "Measurement of all the elastic, piezoelectric, and dielectric properties of PMN-PT single crystals", Proc. SPIE 5053, Smart Structures and Materials 2003: Active Materials: Behavior and Mechanics, (13 August 2003); https://doi.org/10.1117/12.484195

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